Question

A train 100m long moving on a straight level track passes a pole in 5s. Find

(a) the speed of the train

(b) the time it will take to cross a bridge 500m long.

Answer 1

speed=distance/time
so,speed=100/5
=20m/s
time
speed=distance/time
so,time=distance/speed
=500/20
=25s
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Answer 2

Answer:

Nikki will you please help me

Explanation:

in my studies..

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